Browsing by Author "Ichii Kazuhito"

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Browsing by Author "Ichii Kazuhito"

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  • Constraining rooting depths in tropical rainforests using satellite data and ecosystem modeling for accurate simulation of gross primary production seasonality 
    Ichii Kazuhito; Hashimoto Hirofumi; White Michael; Pottors Christopher; Hutyra Lucy; Huete Alfredo; Myneni Ranga; Nemani Ramakrishna (Blackwell, 2007)
    Accurate parameterization of rooting depth is difficult but important for capturing the spatio-temporal dynamics of carbon, water and energy cycles in tropical forests. In this study, we adopted a new approach to constrain ...
  • Developing a continental-scale measure of gross primary production by combining MODIS and AmeriFlux data through Support Vector Machine approach 
    Yang Feihua; Ichii Kazuhito; White Michael; Hashimoto Hirofumi; Michaelis Andrew; Votava Petr; Zhu A-Xing; Huete Alfredo; Running Steven; Nemani Ramakrishna (Elsevier, 2007)
    Remote sensing is a potentially powerful technology with which to extrapolate eddy covariance-based gross primary production (GPP) to continental scales. In support of this concept, we used meteorological and flux data ...
  • Large seasonal swings in leaf area of Amazon rainforests 
    Myneni Ranga; Yang W; Nemani Ramakrishna; Huete Alfredo; Dickinson R; Knyazikhin Yuri; Didan Kamel; Fu Rong; Negron Juarez Robinson; Saatchi Sasan; Hashimoto Hirofumi; Ichii Kazuhito; Shabanov Nikolay; Tan Bin; Ratana Piyachat; Privette Jeffrey; Morisette Jeffrey; Vermote Eric; Roy David; Wolfe Robert; Friedl Mark; Running Steven; Votava Petr; El-Saleous Nazmi; Devadiga Sadashiva; Su Yin; Salomonson Vincent (National Academy of Sciences, 2007)
    Despite early speculation to the contrary, all tropical forests studied to date display seasonal variations in the presence of new leaves, ?owers, and fruits. Past studies were focused on the timing of phenological events ...